I hear references to how efficient or how hard to drive headphones are. And I read about how well headphones mate with certain amps, or not. At present I have three pairs of Headphones: Fostex TH-X00           25 ohm       94 db Sennheiser HD600     300 ohm     97 db NAD VISO HP50        32...

My Klipsch X-10's sound nice and cancel noise well. But don't even think about moving or thunder comes up through the cord. Are all IEM's that seat firmly in your ears and block out noise similar in this regard? I would like to get a nice set of high end IEM's but it would also be nice to...

How embarrassing, here I am an old audiophile who has a great stereo at home but spends the vast majority of his listening time on the road listening to an ipod through Klipsch X-10's (not too bad those) when sedentary or Bose earbuds when active. And looking forward to getting home to do some...